and select changed the mode to two players, and then start started the game, but the "[select] start" is generally referred as part of the code. This code is referred to as "The Konami Code", "The Contra Code", or simply "The Code"

The question is about 5 years old and has multiple answers already, including what you just wrote. Adding another answer isn't technicly wrong, but don't be surprised if yours no longer gets any positive attention.
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DJ PirtuJul 27 at 7:35